#!/user/bin/env node

const stdin = process.stdin,
      stdout = process.stdout,
      {Transform} = require('stream');

stdin.setEncoding('utf8');

let tf = new Transform();

tf._transform = function(chunk,encoding,callback){
  this.push(Buffer.from(chunk.toString('utf8').toUpperCase()))
    callback();
}


stdin.pipe(tf).pipe(stdout);
